Elena Peneva, Stoyan Patalov. RESEARCH OF THE STATE GRAVIMETRIC NETWORK FOR THE TERRITORY OF THE REPUBLIC OF BULGARIA. SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Informatics, Geoinformatics and Remote Sensing, Vol 23, Issue 2.1., 2023, pp. 245-252. https://doi.org/10.5593/sgem2023/2.1/s09.31